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6.0 Threatened and Endangered Species <br />Available literature was reviewed to consider potential for presence of Threatened and Endangered <br />Species in the RPEE project area. A summary of findings is provided below. <br />6.1 Methods <br />A qualified natural resources biologist from Barr Engineering visited the RPEE project site in <br />October 2009 to perform wetland delineation. Incidental observations of plants and wildlife were <br />noted, and during the week-long field reconnaissance activities related to wetland delineation as <br />discussed in Section 5, a familiarity with onsite habitats and plant communities was attained. <br />This knowledge of onsite habitats and plant communities was utilized to perform an offsite desktop <br />evaluation of potential onsite occurrences of species of plants and animals that are state or federally <br />listed as Endangered, Threatened, Special Concern, Proposed, or Candidate Species (i.e. "listed <br />species"). Though Candidate species receive no federal protection, they were included in the <br />evaluation in anticipation of potential future uplisting to a protected status. Rare plants are not <br />protected at the state level in Colorado, and instead are given a ranking of "S l: Critically Imperiled", <br />"S2: Imperiled", and "S3: Vulnerable". <br />Numerous online resources were utilized in the evaluation, including the following in no particular <br />order (all sites were reviewed in February 2014): <br />Colorado Parks & Wildlife (CPW) Species Profile Pages and State list: <br />http://wildlife.state.co.us/WildlifeSpecies/SpeciesOfConcern/ <br />NatureServe, a not-for-profit plant, wildlife, and habitat profile database: <br />http://www.natureserve.org/explorer/index.htm <br />Colorado State University's Colorado Natural Heritage Program (CNHP) Map Products, <br />Statewide Elements by QUAD: <br />http://www.cnhp.colostate.edu/download/gis.asp <br />ex <br />PAMpls\06 CO\26\06261003 MCC Refuse Pile Site Review & Permit\WorkFiles\Permit Application\2014 Revision\Exhibit 82 2014-05- <br />29.docx <br />